CN103473608A - Method for processing high-efficiency evaluation indexes of smart distribution network - Google Patents

Method for processing high-efficiency evaluation indexes of smart distribution network Download PDF

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CN103473608A
CN103473608A CN2013103939835A CN201310393983A CN103473608A CN 103473608 A CN103473608 A CN 103473608A CN 2013103939835 A CN2013103939835 A CN 2013103939835A CN 201310393983 A CN201310393983 A CN 201310393983A CN 103473608 A CN103473608 A CN 103473608A
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distribution network
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high efficiency
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CN103473608B (en
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余昆
陈星莺
廖迎晨
王晓晶
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Hohai University HHU
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Abstract

The invention provides a method for processing high-efficiency evaluation indexes of a smart distribution network. The method comprises the following steps: automatically collecting and processing data of the smart distribution network; considering real-time data and historical data, planning data and operating data; calculating and generating high-efficiency comprehensive evaluation indexes of the smart distribution network from the indexes of representing four aspects, namely reliability, economical efficiency, cleanability and interactivity of the smart distribution network. By adopting the method for processing the high-efficiency evaluation indexes of the smart distribution network disclosed by the invention, the real-time data and the historical data, the planning data and the operating data can be automatically coordinated under the condition of absence of human intervention; high efficiency of the smart distribution network is estimated from the four aspects including the reliability, the economical efficiency, the cleanability and the interactivity; the method has network adaptivity.

Description

Intelligent distribution network high efficiency evaluation index disposal route
Technical field
The present invention relates to intelligent distribution network high efficiency evaluation index disposal route, belong to the intelligent distribution network technical applications.
Background technology
Intelligent grid is the development trend of following electrical network, there is the features such as safety, self-healing, interaction, compatibility, clean, efficient, high-quality, in the reply climate change, ensure national energy security, promote the green economy development, promote the aspects such as power industry Energy restructuring and there is vital role, its core driving force be solve energy security with environmental issue, tackle climate change.Intelligent distribution network is the important component part of intelligent grid, has the essential characteristic of intelligent grid.Applying of distributed power source and large capacity accumulator system, the access of micro-electrical network and electric automobile, the plurality of energy supplies modes such as hot and cold, Electricity Federation product coexist, the large capacity dynamic load such as central air conditioner is more and more, the development and application of smart machine, make power supply, load in intelligent distribution network present the feature that wide area distributes, the user participates in the Changing Pattern that interaction has changed load, energy, information and business two-way flow.
Energy environment pressure has proposed the demand of efficient operation to intelligent distribution network, intelligent distribution network can adopt multiple means to realize efficient operation.Make rational planning for and utilize distributed power source can dwindle fault incidence, improve the long distance that trend distributes, reduces energy and carry, realize energy-saving and emission-reduction.The correct guidance user participates in interaction and can improve the operation of power networks level, reduce peak-valley difference, reduce or delay the power grid construction investment.Distributed power source exert oneself stability and adjustable controllability poor, the risk of the higher power network safety operation of permeability is just larger.User's mutual-action behavior has spontaneity and randomness, makes the variation of part throttle characteristics be difficult to prediction, and in addition correct guidance will not affect the safe and stable operation of electrical network.It is to formulate the Scientific Construction scheme, take full advantage of distributed energy, promote the user to participate in the theoretical foundation of interaction, the development of guiding high efficiency that the high efficiency of intelligent distribution network is assessed, and has theoretical significance and practical value.
High efficiency, as the key character of intelligent grid, is embodied in aspects such as optimizing asset management, low energy consumption, energy-saving and emission-reduction, reduction carbon emission, renewable energy utilization.Intelligent distribution network is as the important component part of intelligent grid, and its high efficiency requires to utilize various advanced technologies to reduce power grid construction, operating cost, in mode low-cost, low energy consumption, meets the demand of user to delivery and power supply quality; Reduce the power grid construction investment, realize effective utilization of fund, optimize asset management; Improve energy utilization rate, especially bring into play the clean energy resource effect, progressively improve energy structure, alleviate energy and environment pressure; Promote Condition-Based Maintenance Technology, break the strip and block management mode, realize inter-sectional information sharing and global optimization.Therefore, need to, according to above-mentioned requirements, set up intelligent distribution network high efficiency evaluation index system.
Summary of the invention
Technical matters: the purpose of this invention is to provide intelligent distribution network high efficiency evaluation index disposal route, by sign intelligent distribution network reliability, economy, spatter property, interactive index, calculate, comprehensive generation intelligent distribution network high efficiency evaluation index, thus realize the high efficiency of intelligent distribution network planning, construction and operation is carried out to comprehensive assessment.
Technical scheme: the assessment of intelligent distribution network high efficiency is by the automatic acquisition and processing to the intelligent power distribution network data, take into account real time data and historical data, layout data and service data, from characterizing the index of intelligent distribution network reliability, economy, spatter property, interactive four aspects, generate intelligent distribution network high efficiency comprehensive assessment index.
Intelligent distribution network high efficiency evaluation index disposal route of the present invention is in the intervention situation at nobody, automatic synchronization real time data and historical data, layout data and service data, high efficiency from reliability, economy, spatter property, interactive four aspects assessment intelligent distribution network, have the adaptivity of network.Concrete steps are as follows:
Equipment accounting and evaluation index weight that when 1) the reliability assessment module is according to the average frequency of power cut of user, the average power off time of user, power failure electric weight accounting, the average attaching capacity of line sectionalizing, fault, load does not have a power failure, obtain network reliability by weighted mean; Refer to target value and evaluation index weight according to circuit availability and equipment availability, by weighted mean, obtain equipment dependability; Refer to target value and evaluation index weight according to uninterrupted operation accounting and repair based on condition of component coverage rate, by weighted mean, obtain the technical management reliability; Then network reliability, equipment dependability and technical management reliability index are weighted to the reliability index that on average obtains intelligent distribution network again, and the reliability index data that obtain are sent to the high efficiency evaluation module;
2) the economic evaluation module refers to target value and evaluation index weight according to the maximum supply load of Unit Assets year delivery, Unit Assets, capacity-load ratio, by weighted mean, obtains building economy; According to economical operation drift rate, equipment underloading rate, comprehensive line loss per unit, Unit Assets year operation expense, loss of outage refer to target value and evaluation index weight, obtain performance driving economy by weighted mean; Then again be weighted to building economy and economical operation type index the economic index that on average obtains intelligent distribution network, and the economic index data that obtain are sent to the high efficiency evaluation module;
3) the spatter property evaluation module is saved figureofmerit according to coal saving amount, oil value and evaluation index weight, obtain fossil energy saving amount by weighted mean; Refer to target value and evaluation index weight according to carbon dioxide emission reduction amount, sulphuric dioxide CER, oxycarbide CER, by weighted mean, obtain the gas abatement amount; Refer to that according to electric field intensity mean deviation, magnetic field intensity mean deviation target value and evaluation index weight obtain the electromagnetic pollution degree; Obtain the noise pollution degree according to the value of noise intensity mean deviation index; Then fossil energy saving amount, gas abatement amount, electromagnetic pollution degree, noise pollution level index are weighted to the spatter property index that on average obtains intelligent distribution network again, and the spatter property achievement data obtained is sent to the high efficiency evaluation module;
4) interactive evaluation module refers to target value and evaluation index weight according to electrical network peak-valley ratio, peak load accounting, demand response user accounting, electrical power services user satisfaction, electric automobile intelligent charge accounting, distributed power generation accounting, by weighted mean, obtains the interactive index of energy; , cross business accounting shared according to department information refers to target value and evaluation index weight, by weighted mean, obtains the business interaction index; Refer to target value and evaluation index weight according to distribution terminal information acquisition rate, intelligent electric meter coverage rate, intercommunication system coverage, by weighted mean, obtain the information interaction index; Then energy interaction, business interaction, information interaction index are weighted to the interactive index that on average obtains intelligent distribution network again, and the interactive achievement data obtained is sent to the high efficiency evaluation module;
5) data that the high efficiency evaluation module sends according to reliability assessment module, economic evaluation module, spatter property evaluation module and interactive evaluation module, the high efficiency evaluation index value of phase adduction output intelligent distribution network.
Beneficial effect: the index disposal route for the assessment of intelligent distribution network high efficiency described in the present invention has the following advantages:
(1) construction of intelligent distribution network, planning and operation unification are estimated, realized that power distribution network meets the demand of user to delivery and power supply quality in mode low-cost, low energy consumption.
(2) can to the high efficiency of power distribution network, be estimated from a plurality of angles of increasing income and decreasing expenditure, realize the optimum management of power distribution network assets, effective utilization of fund, can improve energy utilization rate, especially bring into play the clean energy resource effect, improve energy structure, alleviate energy and environment pressure.
The accompanying drawing explanation
Fig. 1 is intelligent distribution network high efficiency evaluation index system.
Embodiment
Intelligent distribution network high efficiency evaluation index processing scheme is according to the intelligent distribution network layout data and the service data that gather, on reliability index, economic index, spatter property index and the interactive index basis of computational intelligence power distribution network, generate intelligent distribution network high efficiency evaluation index value.Concrete evaluation process is as follows:
Equipment accounting and evaluation index weight that when 1) the reliability assessment module is according to the average frequency of power cut of user, the average power off time of user, power failure electric weight accounting, the average attaching capacity of line sectionalizing, fault, load does not have a power failure, as Hexi new city's power distribution network is respectively 0.1 time, 1.5 minutes, 0.3%, 4kVA, 100%, obtaining network reliability by weighted average calculation is 4.3629; Refer to target value and evaluation index weight according to circuit availability and equipment availability, as Hexi new city's power distribution network is 99.5%, obtaining equipment dependability by weighted average calculation is 4.3550; Referring to target value and evaluation index weight according to uninterrupted operation accounting and repair based on condition of component coverage rate, as Hexi new city's power distribution network is respectively 18% and 100%, is 3.5614 by weighted average calculation technical management reliability; Then network reliability, equipment dependability and technical management reliability index being weighted to the reliability index that average computation obtains intelligent distribution network again is 4.3638, and the reliability index data that calculate are sent to the high efficiency evaluation module;
2) the economic evaluation module refers to target value and evaluation index weight according to the maximum supply load of Unit Assets year delivery, Unit Assets, capacity-load ratio, as Hexi new city's power distribution network is respectively 27000MWh, 8.2MW, 2, building economy by weighted average calculation is 2.7458; According to economical operation drift rate, equipment underloading rate, comprehensive line loss per unit, Unit Assets year operation expense, loss of outage refer to target value and evaluation index weight, as Hexi new city's power distribution network is respectively 14%, 8%, 5.8%, 510 yuan, 2,900 ten thousand yuan, by the weighted average calculation performance driving economy, be 3.4997; Then the economic index that again is weighted the average computation intelligent distribution network to building economy and economical operation type index is 3.6930, and the economic index data that calculate are sent to the high efficiency evaluation module;
3) the spatter property evaluation module is saved figureofmerit according to coal saving amount, oil value and evaluation index weight, as Hexi new city's power distribution network is respectively 0.01%, 0.03%, are 1.0237 by weighted average calculation fossil energy saving amount; Refer to target value and evaluation index weight according to carbon dioxide emission reduction amount, sulphuric dioxide CER, oxycarbide CER, as Hexi new city's power distribution network is respectively 344.4213kg, 60.4800kg, 0.1625kg, by weighted average calculation gas abatement amount, be 2.1596; According to electric field intensity mean deviation, magnetic field intensity mean deviation, refer to that target value and evaluation index weight calculation obtain the electromagnetic pollution degree, as Hexi new city's power distribution network is respectively 0.01%, 0.02%, calculating the electromagnetic pollution degree is 4.8924; Refer to target value according to the noise intensity mean deviation, as Hexi new city's power distribution network is respectively 1.2986%, calculating the noise pollution degree is 3.8722; Then the spatter property index that fossil energy saving amount, gas abatement amount, electromagnetic pollution degree, noise pollution level index is weighted to the average computation intelligent distribution network again is 2.5934, and the spatter property achievement data calculated is sent to the high efficiency evaluation module;
4) interactive evaluation module refers to target value and evaluation index weight according to electrical network peak-valley ratio, peak load accounting, demand response user accounting, electrical power services user satisfaction, electric automobile intelligent charge accounting, distributed power generation accounting, as Hexi new city's power distribution network is respectively 20%, 6%, 0.05%, 98%, 0,0.05%, obtaining the interactive index of energy by weighted average calculation is 4.4835; According to department information is shared, the cross business accounting refers to target value and evaluation index weight, as Hexi new city's power distribution network is 100%, is 4.9482 by weighted average calculation business interaction index; Refer to target value and evaluation index weight according to distribution terminal information acquisition rate, intelligent electric meter coverage rate, intercommunication system coverage, as Hexi new city's power distribution network is respectively 100%, 30%, 80%, by weighted average calculation information interaction index, be 4.0547; Then energy interaction, business interaction, information interaction index being weighted to the interactive index that average computation obtains intelligent distribution network again is 4.2377, and the interactive achievement data calculated is sent to the high efficiency evaluation module;
5) data that the high efficiency evaluation module sends according to reliability assessment module, economic evaluation module, spatter property evaluation module and interactive evaluation module, the high efficiency evaluation index value of phase adduction output intelligent distribution network, as Hexi new city's power distribution network is 4.3302, belong to comprehensive high-efficiency power distribution network preferably.

Claims (1)

1. an intelligent distribution network high efficiency evaluation index disposal route, it is characterized in that the method coordination real time data and historical data, layout data and service data, high efficiency from reliability, economy, spatter property, interactive four aspects assessment intelligent distribution network, have the adaptivity of network, concrete steps are as follows:
Equipment accounting and evaluation index weight that when 1) the reliability assessment module is according to the average frequency of power cut of user, the average power off time of user, power failure electric weight accounting, the average attaching capacity of line sectionalizing, fault, load does not have a power failure, obtain network reliability by weighted mean; Refer to target value and evaluation index weight according to circuit availability and equipment availability, by weighted mean, obtain equipment dependability; Refer to target value and evaluation index weight according to uninterrupted operation accounting and repair based on condition of component coverage rate, by weighted mean, obtain the technical management reliability; Then network reliability, equipment dependability and technical management reliability index are weighted to the reliability index that on average obtains intelligent distribution network again, and the reliability index data that obtain are sent to the high efficiency evaluation module;
2) the economic evaluation module refers to target value and evaluation index weight according to the maximum supply load of Unit Assets year delivery, Unit Assets, capacity-load ratio, by weighted mean, obtains building economy; According to economical operation drift rate, equipment underloading rate, comprehensive line loss per unit, Unit Assets year operation expense, loss of outage refer to target value and evaluation index weight, obtain performance driving economy by weighted mean; Then again be weighted to building economy and economical operation type index the economic index that on average obtains intelligent distribution network, and the economic index data that obtain are sent to the high efficiency evaluation module;
3) the spatter property evaluation module is saved figureofmerit according to coal saving amount, oil value and evaluation index weight, obtain fossil energy saving amount by weighted mean; Refer to target value and evaluation index weight according to carbon dioxide emission reduction amount, sulphuric dioxide CER, oxycarbide CER, by weighted mean, obtain the gas abatement amount; Refer to that according to electric field intensity mean deviation, magnetic field intensity mean deviation target value and evaluation index weight obtain the electromagnetic pollution degree; Obtain the noise pollution degree according to the value of noise intensity mean deviation index; Then fossil energy saving amount, gas abatement amount, electromagnetic pollution degree, noise pollution level index are weighted to the spatter property index that on average obtains intelligent distribution network again, and the spatter property achievement data obtained is sent to the high efficiency evaluation module;
4) interactive evaluation module refers to target value and evaluation index weight according to electrical network peak-valley ratio, peak load accounting, demand response user accounting, electrical power services user satisfaction, electric automobile intelligent charge accounting, distributed power generation accounting, by weighted mean, obtains the interactive index of energy; , cross business accounting shared according to department information refers to target value and evaluation index weight, by weighted mean, obtains the business interaction index; Refer to target value and evaluation index weight according to distribution terminal information acquisition rate, intelligent electric meter coverage rate, intercommunication system coverage, by weighted mean, obtain the information interaction index; Then energy interaction, business interaction, information interaction index are weighted to the interactive index that on average obtains intelligent distribution network again, and the interactive achievement data obtained is sent to the high efficiency evaluation module;
5) data that the high efficiency evaluation module sends according to reliability assessment module, economic evaluation module, spatter property evaluation module and interactive evaluation module, the high efficiency evaluation index value of phase adduction output intelligent distribution network.
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CN103872680A (en) * 2014-03-24 2014-06-18 国家电网公司 Method for evaluating interaction capacity of flexible loads
CN103872680B (en) * 2014-03-24 2016-01-20 国家电网公司 A kind of method assessing flexible load interaction capability
CN104410978A (en) * 2014-11-14 2015-03-11 中国联合网络通信集团有限公司 Method and device of evaluating site planning
CN104616206A (en) * 2015-01-14 2015-05-13 中国能源建设集团江苏省电力设计院有限公司 Green performance index evaluation method of distribution station
CN109034653A (en) * 2018-08-16 2018-12-18 广东电网有限责任公司 A kind of power source planning schemes synthesis evaluation method
CN109034653B (en) * 2018-08-16 2022-02-15 广东电网有限责任公司 Comprehensive evaluation method for power supply planning scheme
CN109523166A (en) * 2018-11-19 2019-03-26 云南电网有限责任公司 A kind of active power distribution network programme appraisal procedure and device
CN109523166B (en) * 2018-11-19 2022-03-15 云南电网有限责任公司 Active power distribution network planning scheme evaluation method and device
CN111144707A (en) * 2019-12-06 2020-05-12 河海大学 Multi-energy system collaborative planning modeling method based on energy hub
CN111428182A (en) * 2020-02-24 2020-07-17 数字广东网络建设有限公司 Evaluation index processing method and device, computer equipment and storage medium
CN111428182B (en) * 2020-02-24 2023-06-13 数字广东网络建设有限公司 Evaluation index processing method, device, computer equipment and storage medium
CN111144544B (en) * 2020-04-07 2020-06-30 江苏省电力试验研究院有限公司 Flexible power flow control equipment selection evaluation method and system
CN111144544A (en) * 2020-04-07 2020-05-12 江苏省电力试验研究院有限公司 Flexible power flow control equipment selection evaluation method and system

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